EVOLUTION
SOURCES OF VARIATION IN A POPULATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A butterfly has bright colors to warn predators that it is poisonous.
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A hognose snake rolls over, slows its breathing, and hangs its tongue out to play dead.
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A herd of buffalo encircle their young to protect them from a pack of wolves.
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A dung beetle rolls a piece of dung across the desert.
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Detailed explanation-1: -The shape of a bird’s beak, the color of a mammal’s fur, the thickness or thinness of the fur, the shape of the nose or ears are all examples of physical adaptations which help different animals survive.
Detailed explanation-2: -The shape of a beak, the type of feet, the placement of eyes, the presence of whiskers, the shape of the nose or ears, and the sharpness of teeth are all examples of structural adaptations which help different animals to survive.
Detailed explanation-3: -There are three types of adaptations: structural, physiological, and behavioral. Structural adaptations are how the animal’s body functions or looks on the outside. Body parts (like feet and ears) and body coverings (like fur and scales) are structural adaptations.